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Page 11 <br /> 6.4.4 EXHIBIT D — Extraction Plan <br /> Vegetation Map, shown not to scale, above. Additional geologic <br /> considerations are also included under Exhibit S - Stability Analysis. <br /> Area and Site Geology: The area geology is typified by mixed alluvial and <br /> aeolian development, that is commonly alluvial in nature at lower elevations. <br /> As viewed in the Geologic Timeline and shown in Figure 1, below, the <br /> aggregate deposit is found between the Laramie and Fox Hills Sandstone <br /> formations, both formed during the Upper Cretaceous Period nearly 65 <br /> million years ago. The alluvium of the river valleys and aeolian sands that <br /> cap the hills formed of the Laramie formation north of the permit area are <br /> more geologically recent, developing during the Quaternary Period. <br /> MILLIONS OF <br /> PERII43E) <br /> NCOVY <br /> QLJ,s t r,rn a ry 11ailocencr <br /> PI��t� t atr �.1 <br /> 43 A <br /> Einly 1.9 <br /> 53 <br /> miucerle Lade 11- <br /> Ea lax-4 <br /> 23.7 <br /> 01iWXt"?e Law <br /> E sii 3J-7 <br /> facene Lale 31-7 <br /> Middle 49ja <br /> Gorty <br /> Pakaeeie Late �a <br /> Eels I <br /> 4aw CA 0 <br /> �a 1 I '7 f5 <br /> JurAILIG# Lam 1�� <br /> Middle 159 <br /> [A fly <br /> 'rr i-dS fli tale <br /> Mlddle 227 <br /> Geologic Time- Livescience.com <br /> VARRA COMPANIES, INC. TWO RIVERS SAND GRAVEL AND RESERVOIR PROJECT MARCH 2O22 <br /> A REGULAR IMPACT[1121 CONSTRUCTION PERMIT APPLICATION—COLORADO DIVISION OF RECLAMATION MINING&SAFETY <br /> OFFICE OF MINED LAND RECLAMATION <br />